Practice Test One

Question 0

Four entrance cables providing service to a house indicates :

Answer 0

Three-phase service

Question 1

In balloon framing, the studs are:

Answer 1

Continuous from foundation to the roof line

Question 2

What does voltage measure ?

Answer 2

Electrical pressure

Question 3

Match the breaker amperage with copper wire sizes of 8,10,12,14

Answer 3

40,30,20,15

Question 4

What is the maximum number of shut offs to disconnect all power for a main panel?

Answer 4

Six

Question 5

In most cases chimney deterioration is caused from

Answer 5

Water/ moisture caused by condensation

Question 6

Given that you have a #6 AWG copper wire,100 amp main breaker and a panel rated for 150 amps,what is the service amperage?

Answer 6

60 and a safety hazard

Question 7

In receptacle wiring,which slot is hot?

Answer 7

Small

Question 8

A crack that increases along its path is called ?

Answer 8

V-crack

Question 9

Which of the following is not part of the structural inspection? 
A.foundation walls 
B.interior finished material 
C.roof framing member 
D.girders and floor joist

Answer 9

B. interior finished material

Question 10

What is a sign of water penetration through a foundation wall?

Answer 10

Efflorescence on the wall

Question 11

The ground immediately adjacent to the foundation should be ?

Answer 11

Sloped away from the foundation at the rate of 1” per ft for at least the first 6’

Question 12

Three entrance cables providing service to a house indicates :

Answer 12

120/240 volts

Question 13

Two basic forces individual structural components are subjected to are?

Answer 13

Compression/tension

Question 14

The recommended minimum clearance between a floor joist and the dirt floor of a crawl space without having to use treated lumber is:

Answer 14

18”

Question 15

What is the maximum space most building codes allow balusters or railings to have between them?

Answer 15

4”

Question 16

What is efflorescence ?

Answer 16

Is a white salty deposit which appears on many masonry walls and floors

Question 17

Which is the steepest roof ?
A.2/12 slope 
B.4/12
C.3/12
D.6/12

Answer 17

D.6/12 slope

Question 18

How might a rafter spread be noticed from the exterior of the home?

Answer 18

Separation of the soffits from the wall

Question 19

What is a counter flashing ?

Answer 19

A second layer of flashing that covers a bottom layer of flashings

Question 20

What is truss uplift?

Answer 20

A bowing upward of the truss’s bottom cord

Question 21

The two main components if an Air-cooled air conditioning system are:

Answer 21

Evaporator unit and the condensing unit

Question 22

What is a small peaked roof construction in the high side if a chimney called?

Answer 22

Cricket

Question 23

What type of roof requires on interlayment of felt between courses?

Answer 23

Wood shakes

Question 24

A 4-ply built up roof would have?

Answer 24

4 layers of felt and 4 layers is bitumen

Question 25

Which siding becomes brittle in cold weather ?

Answer 25

Vinyl

Question 26

The three main components of a stairway are:

Answer 26

Stringers,risers,and treads

Question 27

What is the acceptable depth of treads, according to most building codes ?

Answer 27

9” to 11”

Question 28

What siding has the tendency to expand and contract the most?

Answer 28

Vinyl

Question 29

The three major components of a fossil fuel forced air furnace are:

Answer 29

Heat exchanger,burner,blower

Question 30

The function of a fan/limit switch is to:

Answer 30

Control when the fan comes on or off and to shut off the burners if the furnace overheats

Question 31

What is the lightest weight copper pipe ?

Answer 31

Type M

Question 32

Which type of supply pipe will rust from the inside out?

Answer 32

Galvanized steel

Question 33

What should be reported as a safety hazard ?
A. Use of CPVC piping
B. cross connection
C.greenish color at joints in copper piping
D.handyman plumbing

Answer 33

B. cross connection

Question 34

A drain that gurgles or belches as it drains water may be a symptom of?

Answer 34

A missing vent

Question 35

What condition with a gas water heater should be reported as a safety hazard?
A. Holes in a flue pipe 
B. a leaking tank
C.rusting in heating chamber 
D.plastic water supply pipes

Answer 35

A. Holes in a flue pipe

Question 36

What does hissing an gurgling in. Electric water heater indicate ?

Answer 36

There is sediment in the tank

Question 37

How much exposure is proper for an 18” shake roof

Answer 37

7 1/2”

Question 38

Ground rods must be driven into the ground at least

Answer 38

8 feet

Question 39

Residential entrance cables must have minimum clearance over a driveway of

Answer 39

12’

Question 40

If cracks appear serious, you may suggest :

Answer 40

Further investigation by an engineer

Question 41

In a hydronic systems , the normal operating pressure is

Answer 41

12-15 psi

Question 42

The Hartford loop in a steam system

Answer 42

Precludes siphon action if the unit develops a leak

Question 43

Another name for a 4-way valve

Answer 43

Reversing valve

Question 44

What is the purpose of an accumulator ?

Answer 44

Keep liquid refrigerant out of the compressor

Question 45

The most likely area to find a crack or hole in the heat exchanger is:

Answer 45

In front, behind the heat shield

Question 46

A good sign that there is a crack or hole in the heat exchanger is?

Answer 46

• Irregular flame pattern when blower is on
• severe rusting of the heat exchanger
• strange smells at the register

Question 47

Proper attic ventilation helps to :

Answer 47

• prevent structure damage caused by moisture
• increase the life of the roofing material
• reduce energy consumption